PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61749Ring,piston

Briggs and Stratton Corp · NSN 2805-00-033-6052 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-033-6052 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-033-6052. Primary manufacturer part number: 61749.
Features
  • Ring,piston — FSC 2805
  • Bore Diameter Oversize: 0.030 INCHES IN
  • FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Material: IRON OVERALL
  • Cross-Sectional Shape Style: BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
  • Ring Style: CONCENTRIC
  • Standard Bore Diameter: 2.250 INCHES IN
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-033-6052, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-033-6052
Primary Part Number61749
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Bore Diameter Oversize0.030 INCHES IN
FSC Application DataGASOLINE ENGINE,NONAIRCRAFT
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
MaterialIRON OVERALL
Cross-Sectional Shape StyleBEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
Ring StyleCONCENTRIC
Standard Bore Diameter2.250 INCHES IN
Radial Wall Thickness0.1050 INCHES NOMINAL IN
Oil Passage Type and Quantity6 SLOT HORIZONTALLY THROUGH RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-552-88171225769 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-01-034-8371734-040-9101 INTERCHANGEABLE
Transistor
Honeywell International, Inc Div Aerospace-Tucson
Cross-Reference Index
Part NumberManufacturer
13S22 Spirolox Inc (USA)
61749 PRIMARY Briggs and Stratton Corp (USA)
7994269 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5950-00-552-8817INTERCHANGEABLE
TRANSFORMER,POWER
1225769
5961-01-034-8371INTERCHANGEABLE
TRANSISTOR
734-040-9101

Frequently Asked Questions

What is NSN 2805-00-033-6052?

NSN 2805-00-033-6052 is a Ring,piston, manufactured by Briggs and Stratton Corp, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-033-6052?

NSN 2805-00-033-6052 has 3 cross-referenced part numbers: 13S22 (Spirolox Inc), 61749 (Briggs and Stratton Corp), 7994269 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2805-00-033-6052?

There are 2 known substitutes for 2805-00-033-6052: 5950-00-552-8817, 5961-01-034-8371. Verify interchangeability with system specifications before substitution.

What are the specifications of 61749?

Key specifications for 61749: Bore Diameter Oversize: 0.030 INCHES IN; FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Material: IRON OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-033-6052 still in active supply?

NSN 2805-00-033-6052 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com